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package sunsite.tools;

import java.io.*;

/**
 *
 * @author cyp
 */
public class FileHelper {

    private static final int BUFFER_SIZE = 16 * 1024;

    public static void copy(File src, File dst) {//文件上传
        try {
            InputStream in = null;
            OutputStream out = null;
            try {
                in = new BufferedInputStream(new FileInputStream(src), BUFFER_SIZE);
                out = new BufferedOutputStream(new FileOutputStream(dst), BUFFER_SIZE);
                byte[] buffer = new byte[BUFFER_SIZE];
                while (in.read(buffer) > 0) {
                    out.write(buffer);
                }
            } finally {
                if (null != in) {
                    in.close();
                }
                if (null != out) {
                    out.close();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static String getExtention(String fileName) {//获取文件后缀
        int pos = fileName.lastIndexOf(".");
        return fileName.substring(pos);
    }
}
